The boy wore jeans instead of shorts because the 
OPTIONS:
- jeans would keep him feeling cool in the cold.
- shorts would keep him feeling cool in the cold.
shorts would keep him feeling cool in the cold.

The oils were less effective at treating the cold sore than the creams. That must mean that the 
OPTIONS:
- oils are weaker.
- creams are weaker.
oils are weaker.

Leslie had an easier time caring for their German short-haired pointer than Dennis because 
OPTIONS:
- Leslie loved dogs.
- Dennis loved dogs.

Leslie loved dogs.